Answer:
natural ammunity
Explanation:
immunity possessed by a species or race that is present in an individual at birth prior to exposure to a pathogen or antigen.
Answer:
C. carbon dioxide is the correct answer.
Explanation:
Hey there!
Answer: Peristalsis
Waves of contractions that move food one way through the digestive system is called peristalsis. This process starts to <span>begin in the esophagus.
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Answer:
Participating in sports
Explanation:
Sports and physical activity can lower stress levels! :)